CNA Practice Test
Body systemsQuestion 788 of 1700

How do nerves communicate with each other?

  1. Using red blood cells that carry signals
  2. Using neurotransmitters
  3. Using bones and connective tissue links
  4. Using saliva that moves through the mouth
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Correct answer: Using neurotransmitters

Neurotransmitters carry messages between nerves.

Source: Nursing Assistant (Reuter), 11.8: Neurological System

Practice body systems

Questions last reviewed: 18 October 2026